/Engine/Source/Editor/LevelEditor/Public/LevelViewportTabContent.h
Maps the common commands into the given command list for this layout to the given viewport based on the config key. This call is only additive to the command list, and does not clear or erase already mapped actions.
virtual void BindViewportLayoutCommands ( [FUICommandList](API\Runtime\Slate\Framework\Commands\FUICommandList) & InOutCommandList, [FName](API\Runtime\Core\UObject\FName) ViewportConfigKey )